[LU-4692] (osc_lock.c:1204:osc_lock_enqueue()) ASSERTION( ols->ols_state == OLS_NEW ) failed: Impossible state: 6

• Type: Bug
• Resolution: Duplicate
• Priority: Critical
• Affects Version/s: Lustre 2.4.3
• Environment: 2.5.54
• Severity: 3
• Assignee: Zhenyu Xu
• Reporter: Li Xi (Inactive)

Description

The assertion failed on our system. The system are running Lustre-2.5.54, so patch from LU-3889 is already merged.

<3>LustreError: 109372:0:(file.c:3087:ll_inode_revalidate_fini()) home2: revalidate FID [0x2000048a2:0x17:0x0] error: rc = -116
<0>LustreError: 237806:0:(osc_lock.c:1204:osc_lock_enqueue()) ASSERTION( ols->ols_state == OLS_NEW ) failed: Impossible state: 6
<0>LustreError: 237806:0:(osc_lock.c:1204:osc_lock_enqueue()) LBUG
<4>Pid: 237806, comm: tail
<4>
<4>Call Trace:
<4> [<ffffffffa054c895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
<4> [<ffffffffa054ce97>] lbug_with_loc+0x47/0xb0 [libcfs]
<4> [<ffffffffa0c620f0>] ? osc_lock_enqueue+0x0/0x8c0 [osc]
<4> [<ffffffffa0c62820>] osc_lock_enqueue+0x730/0x8c0 [osc]
<4> [<ffffffffa069a337>] ? cl_lock_state_signal+0x87/0x160 [obdclass]
<4> [<ffffffffa069dcfc>] cl_enqueue_try+0xfc/0x300 [obdclass]
<4> [<ffffffffa0a5c42a>] lov_lock_enqueue+0x22a/0x850 [lov]
<4> [<ffffffffa069dcfc>] cl_enqueue_try+0xfc/0x300 [obdclass]
<4> [<ffffffffa069ef4f>] cl_enqueue_locked+0x6f/0x1f0 [obdclass]
<4> [<ffffffffa069fb9e>] cl_lock_request+0x7e/0x270 [obdclass]
<4> [<ffffffffa06a4b2c>] cl_io_lock+0x3cc/0x560 [obdclass]
<4> [<ffffffffa06a4d62>] cl_io_loop+0xa2/0x1b0 [obdclass]
<4> [<ffffffffa0addca6>] ll_file_io_generic+0x2b6/0x710 [lustre]
<4> [<ffffffffa0694ce9>] ? cl_env_get+0x29/0x350 [obdclass]
<4> [<ffffffffa0ade23f>] ll_file_aio_read+0x13f/0x2c0 [lustre]
<4> [<ffffffffa0ade6fc>] ll_file_read+0x16c/0x2a0 [lustre]
<4> [<ffffffff811816c5>] vfs_read+0xb5/0x1a0
<4> [<ffffffff81181801>] sys_read+0x51/0x90
<4> [<ffffffff8100b072>] system_call_fastpath+0x16/0x1b
<4>
<0>Kernel panic - not syncing: LBUG
<4>Pid: 237806, comm: tail Tainted: G W --------------- 2.6.32-358.el6.x86_64 #1
<4>Call Trace:
<4> [<ffffffff8150cfc8>] ? panic+0xa7/0x16f
<4> [<ffffffffa054ceeb>] ? lbug_with_loc+0x9b/0xb0 [libcfs]
<4> [<ffffffffa0c620f0>] ? osc_lock_enqueue+0x0/0x8c0 [osc]
<4> [<ffffffffa0c62820>] ? osc_lock_enqueue+0x730/0x8c0 [osc]
<4> [<ffffffffa069a337>] ? cl_lock_state_signal+0x87/0x160 [obdclass]
<4> [<ffffffffa069dcfc>] ? cl_enqueue_try+0xfc/0x300 [obdclass]
<4> [<ffffffffa0a5c42a>] ? lov_lock_enqueue+0x22a/0x850 [lov]
<4> [<ffffffffa069dcfc>] ? cl_enqueue_try+0xfc/0x300 [obdclass]
<4> [<ffffffffa069ef4f>] ? cl_enqueue_locked+0x6f/0x1f0 [obdclass]
<4> [<ffffffffa069fb9e>] ? cl_lock_request+0x7e/0x270 [obdclass]
<4> [<ffffffffa06a4b2c>] ? cl_io_lock+0x3cc/0x560 [obdclass]
<4> [<ffffffffa06a4d62>] ? cl_io_loop+0xa2/0x1b0 [obdclass]
<4> [<ffffffffa0addca6>] ? ll_file_io_generic+0x2b6/0x710 [lustre]
<4> [<ffffffffa0694ce9>] ? cl_env_get+0x29/0x350 [obdclass]
<4> [<ffffffffa0ade23f>] ? ll_file_aio_read+0x13f/0x2c0 [lustre]
<4> [<ffffffffa0ade6fc>] ? ll_file_read+0x16c/0x2a0 [lustre]
<4> [<ffffffff811816c5>] ? vfs_read+0xb5/0x1a0
<4> [<ffffffff81181801>] ? sys_read+0x51/0x90
<4> [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b

Issue Links

• is duplicated by: LU-4443 Failure on test suite parallel-scale test_write_disjoint: ASSERTION( ols->ols_state == OLS_NEW ) failed
• is related to: LU-4591 Related cl_lock failures on master/2.5
• is related to: LU-5492 osc_lock.c:1165:osc_lock_enqueue()) ASSERTION( ols->ols_state == OLS_NEW ) failed: Impossible state: 6